March 25, 2025
Google Gemini 2.5 Pro released
Google released GeminiGoogle's family of multimodal AI models — successors to PaLM and competitors to GPT and Claude. 2.5 Pro on March 25, 2025 — a thinking model topping LMArena with strong coding, math, and a 1M-token context window.
What it was for
GeminiGoogle's family of multimodal AI models — successors to PaLM and competitors to GPT and Claude. 2.5 Pro was Google's first 2.5 thinking model: hybrid reasoningStep-by-step logical thinking in AI models — chain-of-thought before answering hard problems., native multimodality, and state-of-the-art benchmarkA standardized test suite for comparing systems — ImageNet, MLPerf, and SPEC define industry scoreboards. scores. It arrived in AI Studio and GeminiGoogle's family of multimodal AI models — successors to PaLM and competitors to GPT and Claude. Advanced as Google raced OpenAIAn AI research company — created GPT, ChatGPT, DALL-E, and the o-series reasoning models.'s o3 and AnthropicAn AI safety company — creators of the Claude family of language models.'s Claude 3.7 for developer mindshare.
Companies
Why it's here
GeminiGoogle's family of multimodal AI models — successors to PaLM and competitors to GPT and Claude. 2.5 Pro put Google back at the top of public leaderboards for reasoningStep-by-step logical thinking in AI models — chain-of-thought before answering hard problems. models.
Why it mattered
Thinking models with million-token context became the new frontier baseline.
What it solved
TeamsMicrosoft Teams — chat, video calls, and Office integration for workplace collaboration. needed a Google model that matched o-series reasoningStep-by-step logical thinking in AI models — chain-of-thought before answering hard problems. without leaving Vertex or AI Studio.
Media
- ImageGemini (language model)
Google, Public domain, via Wikimedia Commons
Related
- Google Gemini 2.0 Flash releasedDecember 11, 2024
- Google Gemini 1.5 announcedFebruary 15, 2024
- Anthropic Claude 3.7 Sonnet releasedFebruary 24, 2025